We can easily repair unaligned preallocated zero clusters by discarding
them, so why not do it?
Signed-off-by: NMax Reitz <mreitz@redhat.com>
Message-id: 20171110203759.14018-2-mreitz@redhat.com
Reviewed-by: NEric Blake <eblake@redhat.com>
Signed-off-by: NMax Reitz <mreitz@redhat.com>